{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "OBJECTIVE : To describe 3 patients with calcium carbonate - induced hypercalcemia and gain insights into the cause and management of the milk - alkali syndrome ."}
{"Disease": ["hypercalcemia", "milk - alkali syndrome"], "Chemical": ["calcium carbonate"]}